package com.zjk.web.admin;

import com.zjk.domain.Type;
import com.zjk.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

/**
 * @author zhujinkai
 * @version 1.0
 * @date 2020/10/21 9:41
 */
@Controller
@RequestMapping("/admin")
public class TypeController {

    @Autowired
    private TypeService typeService;

    @GetMapping("/types")
    public String types(@PageableDefault(size = 10, sort = {"id"}/*, direction = Sort.Direction.DESC*/)
                                    Pageable pageable, Model model) {
        model.addAttribute("page", typeService.listType(pageable));
        return "admin/types";
    }

    @GetMapping("/types/input")
    public String input(Model model) {
        model.addAttribute("type", new Type());
        return "admin/types-input";
    }

    @GetMapping("/types/{id}/input")
    public String editInput(@PathVariable("id") Long id, Model model) {
        model.addAttribute("type", typeService.getType(id));
        return "admin/types-input";
    }

    @PostMapping("/types")/*@Validated Type type和BindingResult result一定是要挨着的*/
    public String savePost(@Validated/*验证*/ Type type,
                            BindingResult result/*@Validated Type type：错误的返回对象*/,
                            RedirectAttributes redirectAttributes) {
        Type t1 = typeService.getTypeByName(type.getName());
        if (t1 != null) {
            /*reject：拒绝，repeatError：重复错误*/
            result.rejectValue("name", "repeatError", "该分类已存在!");
        }
        if (result.hasErrors()) {
            return "admin/types-input";
        }
        Type t = typeService.saveType(type);
        if (t == null) {
            redirectAttributes.addFlashAttribute("message", "新增失败");
        } else {
            redirectAttributes.addFlashAttribute("message", "新增成功");
        }
        return "redirect:/admin/types";
    }

    @PostMapping("/types/{id}")
    public String editPost(@Validated/*验证*/ Type type,
                            BindingResult result/*@Validated Type type：错误的返回对象*/,
                           @PathVariable("id") Long id,
                            RedirectAttributes redirectAttributes) {
        Type t1 = typeService.getTypeByName(type.getName());
        if (t1 != null) {
            /*reject：拒绝，repeatError：重复错误*/
            result.rejectValue("name", "repeatError", "该分类已存在!");
        }
        if (result.hasErrors()) {
            return "admin/types-input";
        }
        Type t = typeService.updateType(type);
        if (t == null) {
            redirectAttributes.addFlashAttribute("message", "更新失败");
        } else {
            redirectAttributes.addFlashAttribute("message", "更新成功");
        }
        return "redirect:/admin/types";
    }

    @GetMapping("/types/{id}/delete")
    public String delete(@PathVariable("id") Long id,
                         RedirectAttributes redirectAttributes) {
        typeService.deleteType(id);
        redirectAttributes.addFlashAttribute("message", "删除成功");
        return "redirect:/admin/types";
    }
}
